When the fabled Star of Rhodesia diamond is stolen on a London to Edinburgh train and the son of its owner is murdered, Sherlock Holmes must discover which of his suspicious fellow passengers is responsible.

In this modernized version of the Conan Doyle characters, using his detective plots, Sherlock Holmes lives in early 21st century London and acts more cocky towards Scotland Yard’s detective inspector Lestrade because he’s actually less confident. Doctor Watson is now a fairly young veteran of the Afghan war, less adoring and more active.

Imagining himself back in the 1890s, Sherlock is visited by Inspector Lestrade after newlywed Emelia Ricoletti, having apparently killed herself in public, murders her husband Thomas in front of witnesses before vanishing. Some months later Holmes is approached by Lady Carmichael, who tells him that her husband Sir Eustace has been threatened by Emelia, who then seemingly does away with him. With an intrusive Moriarty crossing him, Holmes attempts to solve the enigma, with unexpected help from Watson's wife Mary and evidence of a conspiracy involving half the population of the country.

Meet Sherlock Holmes before he was famous! The discovery of a maroon leather notebook hidden in the great detective’s sock drawer caused a sensation. Now readers can join Holmes and Watson on a romp through 19th-century London, in 29 new and remarkable early cases. These humorous short stories feature appearances by Mycroft Holmes, Inspector Lestrade, and other familiar characters, as well as cameos from several well-known Victorians. They also contain numerous historical liberties. Can Holmes and Watson solve the mystery of Mornington Crescent? Why are all the policemen whispering at Scotland Yard? Is the world prepared for the case of the Giant Rat of Sumatra? Read The Secret Notebook of Sherlock Holmes to find out…

The penultimate entry in Universal's Sherlock Holmes series, Terror by Night takes place almost exclusively on a speeding train, en route from London to Edinburgh. Holmes (Basil Rathbone) is on board to protect a valuable diamond from the clutches of master criminal Colonel Sebastian Moran. The trouble is, Moran is a master of disguise, and could be just about any one of the other passengers. Murder and mayhem plague the train excursion before Holmes can successfully complete his mention…